"Women's Phys-Ed. Takes of posture poses." Two young women each pick up a laundry basket, demonstrating correct and incorrect postures for their physical education class. The woman on the left crouches and uses the correct technique while the one...

A John Deere 140 Garden tractor. The tractor is on top of a "Rolling Road" designed and built by John Carlile in 1978 at the Tractor Test Lab. The Rolling Road was built in order to test the feasibility of using an "indoor track" to test wheel...

An unidentified garden tractor on the drawbar test. This was an unofficial test with a proprietary report providd only to the manufacturer. A driver on the Oliver test car was necessary at all times during the Drawbar tests, because the tesat car...